Search Results for "spline" - Page 2
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Showing 67 open source projects for "spline"
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einspline is a C library for the creation and evaluation of interpolating cubic basis splines (B-splines) in 1D, 2D, and 3D. It supports both uniform and nonuniform meshes, single and double precision, and real and complex data.
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T-SPLINE
A T-spline object oriented package in C++
T-spline is a new approach to define freeform surfaces with relatively less control points than NURBS and is able to represent a model using a single surface without joining errors. Whereas, the complexity of T-spline data models leads numerous difficulties in its programming, which hinders the research and development of T-spline technologies. Here, the T-SPLINE kernel gives a set of redesigned data models which have much more understanding conveniences to both human and computer. For more... -
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Matrix factorization is applied to the B-spline basis to construct an orthonormal basis. Data can be approximated by a linear combination of the orthonormal basis functions. Constraints are imposed such that the fitted function is linear at the boundary points, as in natural cubic spline.
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glhlib
"glh" stands for Graphics Library Helper.
NEWS: I am working on the Linux version. Will be ready in 2024. Maybe August. "glh" which stands for Graphics Library Helper. It is kind of like OpenGL's GLU but contains extra functions and optimized functions. The optimizations are done with assembly and are for the x86 architecture. For Win32. For VC++6. It compiles and makes a DLL (and a .LIB for VC++6). The release version of the .H file is also included. Nothing stops you from using these functions in D3D. Actually, GLHLIB doesn't... -
KrakenD is a high-performance API Gateway optimized for resource efficiency, capable of managing 70,000 requests per second on a single instance. The stateless architecture allows for straightforward, linear scalability, eliminating the need for complex coordination or database maintenance.
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Techne (R) CAD/CAM
2.5D CAD CAM emphasis on CAM and toolpaths
A Windows only 2.5D CAD CAM application. The user experience tightly integrates the CAM aspects when doing design and layout. The target users will layout their design and then immediately generate CNC code. The goal is a design application closer to Adobe Illustrator than to AutoCAD. The user specifies machining aspects during object creation so that when the design/layout phase is completed the toolpath generation can occur automatically. What is 2.5D? Objects created are flat... -
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These scripts demonstrate the ability of one-dimensional formulations to reproduce the axial strain field of tensile single-walled carbon nanotubes (SWCNTs). The LAMMPS scripts return the molecular mechanics solution for some armchair and zigzag SWCNTs, while the Matlab scripts compute the numerical solution of a one-dimensional integro-differential tensile rod by B-spline finite elements. By using the proper set of nonlocal parameters, it is possible to correctly capture size and chirality...
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BiSS
Bivariate Surface Spline toolbox for Octave
Bivariate Surface Splines are used to create a function z=f(x,y) which interpolates given data z_i = f(x_i,y_i) for i=1,2,...,n. The m-files in this project can be used in Octave (a GNU project) to create and evaluate bivariate surface splines. A method for reducing boundary effects is also implemented. -
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qspline CC0
qspline (Quaternion Cubic Spline) under the CC0 license
Quaternion Cubic Spline by James McEnnan Qspline does quaternion interpolation such that the quaternion and angular rate and acceleration vectors are continuous functions of time, while maintaining quaternion normalization. This project releases the core functions (in qspline.c) under the CC0 license (Public Domain). The original project can be found here: http://sourceforge.net/projects/qspline/ The documentation can be found in the original project here: http -
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Nonlocal and Gradient Elasticity
Assessment of high order one-dimensional approximation schemes
These Matlab scripts illustrate the numerical solution of two one-dimensional tensile rods equipped with integro-differential and strain-gradient constitutive laws by means of classical Hermitian and Lagrangian finite element discretizations, B-spline finite element discretizations and C∞ generalized finite element discretizations. Reference M. Malagù, E. Benvenuti, C. A. Duarte, and A. Simone. One-dimensional nonlocal and gradient elasticity: Assessment of high order approximation schemes... -
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Y.A.P.R.M. is a free-as-in-freedom modeller to graphicaly design 3d scenes and generate POV-Ray-files for them. Appart from the basic POV-Ray objects which can be used in CSG operations it supports spline based objects. Furthermore a vast amount of 3d-files can be imported and used with Y.A.P.R.M.
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splinelibrary
Building, calibrating, and evaluating different splines.
SplineLibrary implements the functionality behind spline design, spline constructions, customization, calibration, and evaluation of a wide variety of spline types and basis functions. - Spline Calibration Framework - Shape Preserving Spline Suite - Space Spline Curves - B Splines - Regression Splines - Tension Splines - Smoothing Splines - Interpolating Splines (Akima, Bessel, Hagan-West, Harmonic, Huynh-Le Floch, Hyman83, Hyman89, Kruger, Preuss, Van Leer Limiter... -
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XonGrid
Excel interpolation add-in
XonGrid is a free Excel library of functions to perform 1D, 2D, 3D, 4D and arbitrary dimension (ND) interpolations from scattered data. -
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Bernstein
It's a direct manipulation parametric curve modeler.
This is a work-in-progress. With this tool you can create 3D spline curves. Curves can reference (build on top of) other curves via parametric references. Bernstein depends on https://sourceforge.net/projects/yathe/ There are no files to download. If you are interested check out the source code. In order to compile you will also need to check out Yathe source code and compile/install that first. Yathe and Bernstein are configured via CMake. -
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Cubic Spline Interpolation example using Vanagandr The program need Microsoft Visual C++ 2010 Redistributable Package (http://www.microsoft.com/en-ca/download/details.aspx?id=5555)
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An open source multi-platform RayTracer (written in C++, using SDL) for academic purposes. Capable of reading a Scene Description File and rendering that scene. Yet in early stages of development (without further optimizations). Can generate animations using Uniform B-Spline Curve segments. Now available for iOS!
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WaveSorter
A powerful, versatile tool for offilne spike analysis and sorting
WaveSorter emphasizes dynamic visualization and versatility. Slider controls let the user select any coefficient or sample from any of several transforms, which can then be plotted to either axis of a 2D histogram (scatterplot). Within the waveform space, cursor-based controls let the user select subregions of the waveform space or individual waveforms to view. The user may cluster waveforms manually or via one of several popular clustering programs. The classification along with waveform... -
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This matlab package, SADoRe, accompanied by the paper Q. Zhang 2012 CMAME ``Highly Accurate Lagrangian Flux Calculation via Algebraic Quadratures on Spline-Approximated Donating Regions,'' is for donating region construction and Lagrangian flux computation in two-dimensional space. This package depends on the SplineGauss package by Sommariva and M. Vianello, following the following steps to use SADoRe: (1) Download SplineGauss from http://www.math.unipd.it...
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Draws a series of breaking waves of water, in 2 dimensions No foam. Water waves outlines uses Bezier curves No file I/O. Java 2 interactive animation GUI. See BestWavesLive.com for applet., ptrthis.ca. Spline Skinning Approach.
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Dedalo
dedalo is a 2d cad drawing software written in python3.
dedalo is a 2d cad drawing software written in python3. It is licensed under the GPLv3. Dedalo features: layers, snaps (endpoint, intersection, midpoint), line, polyline, rectangle, delete, polygon, rectangle, arc, circle, points, text, spline, freehand drawing. Move, scale, rotate, offset, cut, extend, hatch, dimension, copy. English, italian languages SVG read-write. Not all features all fully supported. For more information a user manual is provided(pdf format, italian). -
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OMSI Road R2L Converters
RHD to LHD spline & crossing converters for OMSI.
This is a project homepage for 2 converters included in "OMSI Road R2L Converters". It includes a spline converter and crossing converter. Simply 4 steps and <1 minute and your job is nearly done. Yep, "nearly done" as the traffic light can't be automatically reconfigured, so you have to set those traffic lights yourself afterwards. Also the converter won't re-create the crossing with correct road surface mark, thus you need to use some other method to fix it. That's it. Please make sure... -
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Mathematical spline C++ library with focus on speed and simplicity. Supports CatmullRom, Cardinal, KochanekBartels and Bezier.
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Python implementation of LaGrange, Bezier, and B-spline curves. The algorithms use their respective interpolation/basis functions, so are capable of producing curves of any order. The B-splines use Cox-De Boor and support knot insertion. 2-d only.
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Der Benutzer definiert zunaechst mehrere Staedte auf einer Karte. Das Programm berechnet dann den effektivsten Spline durch alle Staedte.